.check-bg1,.check-bg2,.check-bg3,.check-bg4,.check-bg5,.check-bg6{
    position: relative;
    width: 100%;
    height: auto;
    overflow: hidden;
}

.check-bg2,.check-bg3,.check-bg4,.check-bg5,.check-bg6{
    margin-top: 5px;
}

.check-bg1 .bg-photo {    
    width: 100%;
    height: auto;
    display: none;
    overflow: hidden;    
}

.check-bg1 a {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.check-bg2 .bg-photo {  
    width: 100%;
    height: auto;
    display: none;
    overflow: hidden;    
}

.check-bg2 a {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.check-bg3 .bg-photo {  
    width: 100%;
    height: auto;
    display: none;
    overflow: hidden;     
}

.check-bg3 a {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.check-bg4 .bg-photo { 
    width: 100%;
    height: auto;
    display: none;
    overflow: hidden;   
}

.check-bg4 a {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.check-bg5 .bg-photo {   
    width: 100%;
    height: auto;
    display: none;
    overflow: hidden;   
}

.check-bg5 a {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.check-bg6 .bg-photo { 
    width: 100%;
    height: auto;
    display: none;
    overflow: hidden;   
}

.check-bg6 a {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}